$84+ Cheap flights from San Francisco to Denver (SFO - DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — DEN
May 6 — May 131
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Denver Intl are usually found in October or September, booked 36 days in advance, depart on a Saturday or Friday and return on a Friday
Cheap flight deals from San Francisco to Denver
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Best
Last-minute
One-way
Cheapest flights from San Francisco to DenverExplore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 6, 2026.
Explore the most affordable flight options available from San Francisco to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 6, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
- DEN
Nonstop2h 48m
Frontier
Wed 4/299:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 4/4![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:38 pm
SFO
- DEN
1 stop12h 31m
Frontier
Tue 4/281:40 pm
DEN
- SFO
1 stop8h 59m
Frontier
Deal found 4/1![Frontier logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:13 pm
SFO
- DEN
1 stop8h 12m
Frontier
Tue 5/59:52 am
DEN
- SFO
1 stop14h 12m
Frontier
Deal found 4/1![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:43 pm
SFO
- DEN
1 stop5h 42m
Frontier
Wed 5/610:29 pm
DEN
- SFO
1 stop11h 01m
Frontier
Deal found 4/5![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:18 am
SFO
- DEN
1 stop17h 57m
Frontier
Sun 5/36:00 am
DEN
- SFO
1 stop5h 59m
Frontier
Deal found 4/1![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:16 pm
SFO
- DEN
1 stop6h 09m
Frontier
Tue 5/1210:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/5![Frontier logo]()
$142
This Lucky2Go deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:15 am
SFO
- DEN
1 stop13h 54m
Frontier
Sat 5/236:00 am
DEN
- SFO
1 stop12h 57m
Frontier
Deal found 4/1![Frontier logo]()
$143
This Trip.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Sun 5/1010:39 pm
DEN
- SFO
1 stop20h 52m
Frontier
Deal found 4/4![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Sat 5/1610:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/6![Frontier logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Tue 5/1910:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/6![Frontier logo]()
$147
This Expedia deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Sat 4/259:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 4/3![Frontier logo]()
$148
Best flights from San Francisco to DenverDiscover carefully curated flight deals from San Francisco to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 6, 2026.
Discover carefully curated flight deals from San Francisco to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 6, 2026.
This Southwest deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:40 am
SFO
- DEN
Nonstop2h 35m
Southwest
Tue 4/287:50 pm
DEN
- SFO
1 stop4h 25m
Southwest
Deal found 4/3![Southwest logo]()
$267
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:30 pm
SFO
- DEN
1 stop7h 49m
Delta
Sat 5/97:55 am
DEN
- SFO
2 stops10h 02m
Delta
Deal found 4/1![Delta logo]()
$434
This Southwest deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:15 pm
SFO
- DEN
Nonstop2h 35m
Southwest
Tue 5/198:25 pm
DEN
- SFO
Nonstop2h 45m
Southwest
Deal found 4/4![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:20 am
SFO
- DEN
1 stop7h 00m
Southwest
Sat 4/2511:40 am
DEN
- SFO
2 stops10h 05m
Southwest
Deal found 4/3![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:00 am
SFO
- DEN
2 stops7h 50m
Southwest
Tue 6/238:15 am
DEN
- SFO
2 stops7h 00m
Southwest
Deal found 4/5![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:25 am
SFO
- DEN
2 stops6h 30m
Southwest
Sun 5/35:55 am
DEN
- SFO
1 stop5h 20m
Southwest
Deal found 4/2![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:40 pm
SFO
- DEN
2 stops7h 05m
Southwest
Tue 6/210:10 am
DEN
- SFO
2 stops6h 10m
Southwest
Deal found 4/2![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/203:15 pm
SFO
- DEN
2 stops7h 10m
Southwest
Sun 6/285:40 pm
DEN
- SFO
1 stop4h 15m
Southwest
Deal found 4/2![Southwest logo]()
$419
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:05 am
SFO
- DEN
2 stops7h 25m
Southwest
Tue 5/510:10 am
DEN
- SFO
2 stops6h 10m
Southwest
Deal found 4/1![Southwest logo]()
$423
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:00 am
SFO
- DEN
2 stops6h 25m
Southwest
Sun 6/76:45 pm
DEN
- SFO
1 stop6h 25m
Southwest
Deal found 4/1![Southwest logo]()
$426
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:00 am
SFO
- DEN
2 stops6h 50m
Southwest
Sun 4/198:35 pm
DEN
- SFO
1 stop5h 15m
Southwest
Deal found 4/5![Southwest logo]()
$427
Last-minute flights from San Francisco to DenverDiscover last-minute flight deals from San Francisco to Denver. Data last updated April 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Denver. Data last updated April 6, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
- DEN
Nonstop2h 48m
Frontier
Wed 4/299:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 4/4![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:38 pm
SFO
- DEN
1 stop12h 31m
Frontier
Tue 4/281:40 pm
DEN
- SFO
1 stop8h 59m
Frontier
Deal found 4/1![Frontier logo]()
$138
This Expedia deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Sat 4/259:25 pm
DEN
- SFO
Nonstop3h 00m
Frontier
Deal found 4/3![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:18 am
SFO
- DEN
1 stop17h 57m
Frontier
Sun 5/36:00 am
DEN
- SFO
1 stop5h 59m
Frontier
Deal found 4/1![Frontier logo]()
$141
This Cheapflightsfares deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:38 pm
SFO
- DEN
1 stop14h 26m
Frontier
Mon 5/1110:29 pm
DEN
- SFO
1 stop23h 07m
Frontier
Deal found 4/5![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:16 pm
SFO
- DEN
1 stop6h 09m
Frontier
Tue 5/1210:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/5![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:43 pm
SFO
- DEN
1 stop5h 42m
Frontier
Wed 5/610:29 pm
DEN
- SFO
1 stop11h 01m
Frontier
Deal found 4/5![Frontier logo]()
$140
This Trip.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Sun 5/1010:39 pm
DEN
- SFO
1 stop20h 52m
Frontier
Deal found 4/4![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Sat 5/1610:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/6![Frontier logo]()
$146
This Lucky2Go deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:15 am
SFO
- DEN
1 stop13h 54m
Frontier
Sat 5/236:00 am
DEN
- SFO
1 stop12h 57m
Frontier
Deal found 4/1![Frontier logo]()
$143
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Tue 5/1910:29 pm
DEN
- SFO
Nonstop2h 54m
Frontier
Deal found 4/6![Frontier logo]()
$147
One-way flights from San Francisco to DenverSearch for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated April 6, 2026.
Search for one-way flight options from San Francisco to Denver. Find affordable one-way fares based on user searches. Data last updated April 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:18 am
SFO
- DEN
1 stop10h 40m
Frontier
Deal found 4/2![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:16 pm
SFO
- DEN
1 stop10h 03m
Frontier
Deal found 4/2![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:50 pm
SFO
- DEN
2 stops17h 31m
Frontier
Deal found 4/3![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:30 pm
SFO
- DEN
1 stop12h 32m
Frontier
Deal found 4/1![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:35 pm
SFO
- DEN
1 stop6h 24m
Frontier
Deal found 4/1![Frontier logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:26 pm
SFO
- DEN
1 stop5h 43m
Frontier
Deal found 4/1![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:29 pm
SFO
- DEN
1 stop14h 16m
Frontier
Deal found 4/4![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
SFO
- DEN
Nonstop2h 47m
Frontier
Deal found 4/4![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:52 pm
SFO
- DEN
Nonstop2h 51m
Frontier
Deal found 4/5![Frontier logo]()
$93
This Frontier deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:00 am
SFO
- DEN
Nonstop2h 52m
Frontier
Deal found 4/3![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:15 am
SFO
- DEN
2 stops11h 54m
Frontier
Deal found 4/6![Frontier logo]()
$95
Find flight deals from San Francisco to Denver
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Cheapflightsfares) |
One-way from | $84 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $280 |
Good round-trip deal | $271 or less |
Good one-way deal | $167 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 6, 2026.
Use the filters below to find and compare flights from San Francisco to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 4/25
5:40 am-9:15 am
Nonstop2h 35m
Denver Intl
Tue 4/28
7:50 pm-11:15 pm
1 stop4h 25m
$267
Quickest round-trip
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 5/15
7:15 pm-10:50 pm
Nonstop2h 35m
Denver Intl
Tue 5/19
8:25 pm-10:10 pm
Nonstop2h 45m
$277
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 4/24
6:20 am-2:20 pm
1 stop7h 00m
Denver Intl
Sat 4/25
11:40 am-8:45 pm
2 stops10h 05m
$322
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 6/20
5:00 am-1:50 pm
2 stops7h 50m
Denver Intl
Tue 6/23
8:15 am-2:15 pm
2 stops7h 00m
$368
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 4/30
7:25 am-2:55 pm
2 stops6h 30m
Denver Intl
Sun 5/3
5:55 am-10:15 am
1 stop5h 20m
$372
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Fri 5/29
3:40 pm-11:45 pm
2 stops7h 05m
Denver Intl
Tue 6/2
10:10 am-3:20 pm
2 stops6h 10m
$393
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 6/20
3:15 pm-11:25 pm
2 stops7h 10m
Denver Intl
Sun 6/28
5:40 pm-8:55 pm
1 stop4h 15m
$419
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Mon 5/4
8:05 am-4:30 pm
2 stops7h 25m
Denver Intl
Tue 5/5
10:10 am-3:20 pm
2 stops6h 10m
$423
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Thu 6/4
5:00 am-12:25 pm
2 stops6h 25m
Denver Intl
Sun 6/7
6:45 pm-12:10 am
1 stop6h 25m
$426
San FranciscoDenver
SFO - DEN
SFODEN
San Francisco
Sat 4/18
5:00 am-12:50 pm
2 stops6h 50m
Denver Intl
Sun 4/19
8:35 pm-12:50 am
1 stop5h 15m
$427
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Denver in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Francisco-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from San Francisco with our price prediction graph.
SFO-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Denver
Prices
Airlines
Delays
How far ahead should I book a flight from San Francisco to Denver?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Denver. Price data was last updated on April 3, 2026.
To ensure you get the cheapest price possible for a flight from San Francisco to Denver, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Francisco to Denver?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Denver (average of $58). Flying from San Francisco to Denver in June is currently the most expensive (average of $125). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SFO to DEN?
Find hourly flight availability from San Francisco to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 6, 2026.
One of the essential ways to save on airfare from San Francisco to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 31% on airfare.
What is the cheapest day to fly from San Francisco to Denver?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Denver. Price data was last updated on April 4, 2026.
Travelers seeking maximum savings on their San Francisco to Denver flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from San Francisco to Denver delayed?
About 17% of weekly flights between San Francisco and Denver have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for San Francisco to Denver flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Denver flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.
The best insider tips for San Francisco to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated April 6, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from San Francisco to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
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Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 6, 2026.
Search flights from San Francisco to Denver by cabin class
Find flights from San Francisco to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Denver flights
Browse other San Francisco and Denver flight options. Last updated on April 6, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on April 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from San Francisco to Denver
Discover the top 7 airlines that operate flights from San Francisco to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$207 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$87 | Average$96 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$128 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$157 | Average$296 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$341 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$176 | Average$508 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$337 | FlexibilityNo cancel fee | On-time62% |